internal void Authenticate(bool reset)
{
CheckConstraints();
MyCatPacket packet = driver.Packet;
// send auth response
packet.WriteString(GetUsername());
// now write the password
WritePassword(packet);
if ((Flags & ClientFlags.CONNECT_WITH_DB) != 0 || reset)
{
if (!String.IsNullOrEmpty(Settings.Database))
{
packet.WriteString(Settings.Database);
}
}
if (reset)
{
packet.WriteInteger(8, 2);
}
if ((Flags & ClientFlags.PLUGIN_AUTH) != 0)
{
packet.WriteString(PluginName);
}
driver.SetConnectAttrs();
driver.SendPacket(packet);
//read server response
packet = ReadPacket();
byte[] b = packet.Buffer;
if (b[0] == 0xfe)
{
if (packet.IsLastPacket)
{
driver.Close(true);
throw new MyCatException(Resources.OldPasswordsNotSupported);
}
else
{
HandleAuthChange(packet);
}
}
driver.ReadOk(false);
AuthenticationSuccessful();
}
private void WritePassword(MyCatPacket packet)
{
bool secure = (Flags & ClientFlags.SECURE_CONNECTION) != 0;
object password = GetPassword();
if (password is string)
{
if (secure)
{
packet.WriteLenString((string)password);
}
else
{
packet.WriteString((string)password);
}
}
else if (password == null)
{
packet.WriteByte(0);
}
else if (password is byte[])
{
packet.Write(password as byte[]);
}
else
{
throw new MyCatException("Unexpected password format: " + password.GetType());
}
}
